<?php

/**
 * Created by PhpStorm.
 * User: mj
 * Date: 17-5-25
 * Time: 下午3:42
 */
namespace App\Winged\Patients\Service;


/**
 * 过滤类
 * Class Filter
 * @package App\Winged\Patients\Service
 */
class Filter
{

    /**
     * 图片签名过滤
     */
    public static function imageFilter(  )
    {
        
    }


}